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101221022213 = 1039533103087
BaseRepresentation
bin101111001000100111…
…1100011101000000101
3100200021021012200211122
41132101033203220011
53124300040202323
6114300021443325
710212231331013
oct1362117435005
9320237180748
10101221022213
1139a226a0173
121774a870545
1397117846ac
144c832a38b3
152976528ec8
hex17913e3a05

101221022213 has 8 divisors (see below), whose sum is σ = 102215463168. Its totient is φ = 100226806704.

The previous prime is 101221022191. The next prime is 101221022263. The reversal of 101221022213 is 312220122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101221022213 - 224 = 101204244997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101221022191 and 101221022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221022263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930356 + ... + 1033442.

It is an arithmetic number, because the mean of its divisors is an integer number (12776932896).

Almost surely, 2101221022213 is an apocalyptic number.

It is an amenable number.

101221022213 is a deficient number, since it is larger than the sum of its proper divisors (994440955).

101221022213 is a wasteful number, since it uses less digits than its factorization.

101221022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112723.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101221022213 its reverse (312220122101), we get a palindrome (413441144314).

The spelling of 101221022213 in words is "one hundred one billion, two hundred twenty-one million, twenty-two thousand, two hundred thirteen".

Divisors: 1 103 9533 103087 981899 10617961 982728371 101221022213